PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/15-18:12:40
G08     317.9          14.0                6.4 +/-    1.39      16.2 +/-    1.39  0.060 / 0.090
G10     309.9          55.6                6.4 +/-    0.72       7.6 +/-    0.72  0.070 / 0.090
G14     212.3          19.1                8.6 +/-    2.45      19.3 +/-    2.45  0.040 / 0.050
G15     45.7           23.5                5.6 +/-    0.55      11.4 +/-    0.55  0.030 / 0.050
G20     11.0           64.3                7.6 +/-    0.60       8.3 +/-    0.60  0.150 / 0.640
G21     117.4          66.7                8.4 +/-    0.81       9.1 +/-    0.81  0.120 / 0.430
G24     84.5           27.9                7.9 +/-    0.55      14.5 +/-    0.55  0.070 / 0.140
G27     293.6          35.8                8.5 +/-    0.62      13.3 +/-    0.62  0.070 / 0.110
G32     214.2          39.5                9.9 +/-    0.85      14.5 +/-    0.85  0.110 / 0.280